Austrian and Japanese researchers on Wednesday unveiled solar cells thinner than a thread of spider silk that are flexible enough to be wrapped around a single human hair.
“You could attach the device to your clothes like a badge to collect electricity (from the sun)… Elderly people who might want to wear sensors to monitor their health would not need to carry around batteries,” Sekitani told AFP.




A former CIA officer who expressed public doubts over the use of waterboarding as an interrogation technique was indicted Thursday on charges that he leaked classified secrets to journalists, including the role of an associate who worked with him on a covert mission to track down and capture a top al-Qaida figure.
Hydraulic fracturing, or "fracking," has generated widespread media attention this year, but little has been reported on the ways in which fracking may have unique impacts on women.
Financial speculators are gambling on oil the same way they gambled on the housing market a few years ago — a frightening prospect for the fragile economy, a Democratic congressional committee was told Wednesday.
In a move likely to alter treatment standards in hospitals and doctors’ offices nationwide, a group of nine medical specialty boards plans to recommend on Wednesday that doctors perform 45 common tests and procedures less often, and to urge patients to question these services if they are offered. Eight other specialty boards are preparing to follow suit with additional lists of procedures their members should perform far less often.
A newly described relative of Tyrannosaurus rex is the largest known feathered animal - living or extinct. The feathered meat-eating dinosaur lived about 125 million years ago and is estimated to have weighed a whopping 1,400kg as an adult.
MALCOLM Turnbull has sharply criticised the corrupting power of money in the US and described America as looking ''like a country that is barely governed''.






























